Chapter 1 general information – SATEC BFM136 User Manual
Page 7
Chapter 1 General Information
BFM136 Branch Feeder Monitor
7
Chapter 1 General Information
The BFM136 is a 3-phase, multi-channel, multi-function energy meter
suitable for use in single-phase and multi-phase electrical networks.
Meter highlights
Multi-channel submetering – up to 36 single-phase or 18 two-phase
or 12 three-phase submeters in a single device. Any combination of
single-, two-, and three-phase consumers can be chosen up to a
total of 36 current inputs.
Automatic totalization energy from different sub-consumers
Features
Calibrated to meet Class 0.5S active energy and Class 1 reactive
energy meter accuracy
3-phase/2-phase/single-phase meters (true RMS, volts, amps,
power, power factor, neutral current)
Ampere/Volt demand meter
Time-of-Use, 4 energy/demand registers x 6 tariffs
1
, 4 seasons x 4
types of days, 8 tariff changes per day, easy programmable tariff
schedule
Import/export energy and power demands
Automatic 120–day daily profile for import/export
2
energy and
maximum demand readings (total and tariff registers) separate for
each submeter
Event recorder for logging internal diagnostic events and setpoint
operations
Data recorders; programmable periodical data logs separate for
each submeter
Embedded programmable controller (4 control setpoints,
programmable thresholds and delays) separate for each submeter
Easy to read 2-row x 16 characters LCD display with backlight
(BFM136 only)
50/60 Hz operation
Internal clock, keeping the clock running over one week without
external power
HACS with overvoltage protection diodes to avoid any damage
while disconnecting the primary current sensor
Standard RS-485 serial port
Optional second communication port. Communication options
available:
RS-232
RS-422/485
56K Dial-up modem
Ethernet 10/100BaseT
Wireless RF modem (unlicensed 907-922 MHz)
Modbus RTU and Modbus ASCII communication protocols
Easy field upgrading device firmware through any communication
port
1
From Firmware version 18.4.1
2
From Firmware version 18.5.1